Latest Firmware Not AvailableTry this twrp aur custom rom may be workMicromax Canvas Knight 2 E471 CWM & TWRP Recovery DownloadI rewrite this from forum.xda-developers.com :
ClockworkMod is a software developer which offers various Android apps. It is primarily known for its custom recovery, commonly referred to as CWM (ClockworkMod) Recovery, used in many custom made ROMs. Once flashed, this recovery replaces the stock recovery of your Android device. Using this recovery you can then do various system level operations on your Micromax Canvas Knight 2 E471 , such as create and restore images backups, flash a portion of or an entire custom ROM, and use other developer tools. ClockworkMod Recovery (CWM) is a replacement recovery option for Android devices, made by Koushik "Koush" Dutta. It is based on the Android 2.1 (Eclair) recovery image. Features include Nandroid backup, adb shell, advanced update.zip options (ignore asserts and signature checks), and file browser for choosing update.zips
The ROM Manager app may be used for installing CWM, overwriting the device's stock recovery. As with the stock recovery, CWM can apply software changes to the device. Unlike the stock recovery, CWM is able to entirely replace the device's primary Android operating system ("flashing a new ROM"), including with aftermarket replacements such as CyanogenMod. Once installed, CWM it is accessed by turning your device off, then triggering the bootloader prompt by holding down some device-dependent button combination as it is turned on. CWM is also known as clockwork and CW recovery. They also provide the following apps:
ROM Manger: An app to backup/restore NANDroid backups
Tether: An app used for tethering regardless of carrier based tethering plans
Helium: An app used to backup user and system data on your device without the need for root
DeskSMS: An app to send and receive text messages from your email, browser, or instant messenger client
TWRP, short for Team Win Recovery Project, is an open-source recovery image for Android-based devices. It provides a touch-enabled interface which allows users to install third-party firmwares and backup the current system, which are often unsupported by stock recoveries. Therefore, it's often installed when rooting Android devices.